/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.tedu.luban.passport.sdk.filter;

import cn.tedu.luban.passport.protocol.jwt.UserPrinciple;
import cn.tedu.luban.passport.sdk.security.LubanSecurityContext;
import com.alibaba.fastjson2.JSON;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import lombok.extern.slf4j.Slf4j;
@Slf4j
public class UserPrincipleFilter implements Filter {
    private static final String AUTH_HEADER="Authorization";
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
        FilterChain filterChain) throws IOException, ServletException {
        if (servletRequest instanceof HttpServletRequest) {
            HttpServletRequest req = (HttpServletRequest) servletRequest;
            //从头中后去json
            String userPrincipleJson = req.getHeader(AUTH_HEADER);
            UserPrinciple loginUser = null;
            if(userPrincipleJson != null) {
                loginUser = JSON.parseObject(userPrincipleJson, UserPrinciple.class);
            }
            LubanSecurityContext.bindLoginToken(loginUser);
        }
        filterChain.doFilter(servletRequest, servletResponse);
        //处理一下 线程复用的问题
        LubanSecurityContext.clearLoginToken();
    }

    @Override public void destroy() {
        log.info(" loginUserFilter destroies");
    }
}
